How many people live in ?

Updated Apr. 6, 2026Refreshed annually
In 2024, there were about 22,100 people living in Johnson County, KY. That makes Johnson County the 52nd-most populous county in Kentucky. It is home to 0.48% of people living in the state.

22.1K

population of Johnson County, KY (2024)

0.48%

County share of the Kentucky population (2024)

About 22,100 people lived in Johnson County, KY in 2024.

Population estimates, 2000–2024

What are Johnson County, KY’s age demographics?

About 4,500 Johnson County residents are aged 65 and older in 2024. That represents 20.2% of its population. For comparison, the age group represents 18.1% of Kentucky’s population and 18% in the US overall.
Another 4,900 Johnson County residents, or 22% of the population, were children under 18. For comparison, the age group represents 22.4% of Kentucky’s population and 21.6% in the US overall.


A lower share of Johnson County, KY's population is aged 25–44 than the US as a whole.

Population estimates by age group, (2024)

What are Johnson County, KY’s racial and ethnic demographics?

Non-Hispanic white residents make up 96.4% of the Johnson County, KY population, higher than the national share of 57.5%.
In contrast, Johnson County’s Hispanic population accounts for 1.1%, below the 20% nationwide, and the non-Hispanic Black or African American population makes up 0.54% of the county, compared with 12.6% nationally.
Racial and ethnic make up differ based on location. These figures reflect how people identified their race alone (not in combination with other races), and separate out Hispanic or Latino ethnicity, following Census reporting standards.

Johnson County, KY has a higher share of a non-Hispanic white population than Kentucky as a whole.

Population estimates by race and ethnicity, (2024)

The largest city or town in Johnson County, KY is Paintsville with about 4,100 residents in 2024.

Cities and towns in Johnson County, KY ranked by population

Population (2024), includes only portions within county

Cities and towns in Johnson County, KY ranked by population
City or townPopulation
1.

Paintsville 

4,129
2.

Balance of Johnson County

17,969

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Methodology

USAFacts standardizes data, in areas such as time and demographics, to make it easier to understand and compare.

The analysis was generated with the help of AI and reviewed by USAFacts for accuracy.

Page sources

USAFacts endeavors to share the most up-to-date information available. We sourced the data on this page directly from government agencies; however, the intervals at which agencies publish updated data vary.